package exception;

public class TryCatchDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了");
        try {
            //String line = "";
            String line = "a";
            System.out.println(line.length());

            System.out.println(line.charAt(0));
            System.out.println(Integer.parseInt(line));
            System.out.println("!!!!!!!!!!!!");
        /*
        } catch (NullPointerException e) {
            System.out.println("发现空指针异常，并且解决了");
        } catch (StringIndexOutOfBoundsException s){
            System.out.println("发生字符串下标越界异常，并且解决了");
        }*/
        } catch (NullPointerException | StringIndexOutOfBoundsException e) {
            System.out.println("发生空指针异常 或 字符串下表越界异常异常，并且解决了");
        } catch (Exception e){
            System.out.println("发生错误并解决了");
        }
        System.out.println("程序结束了");
    }
}
